Bicycle B.B parts
Model :
BB-I004
Bicycle B.B parts BB-I004
- SCM hollow ISIS drive spindle
- Forged alloy cups
- Integrated bearing mechanism
- Precision CNC machined
- Length 68x108, 113, 118, 122, 128mm
- Length 73x108, 113, 118, 122, 128mm
- Weight: 248g